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Finding the Fourth Proportional to 8,503.03, 12,735.31 and 4,547.30

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Solution

The fourth proportional to 8,503.03, 12,735.31 and 4,547.30 is: 6,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.03 : 12,735.31 = 4,547.30 : x
  2. Step 2: Convert to fraction form
    8,503.03/12,735.31 = 4,547.30/x
  3. Step 3: Cross multiply
    8,503.03x = 12,735.31 × 4,547.30
  4. Step 4: Simplify right side
    8,503.03x = 57,911,275.16
  5. Step 5: Solve for x
    x = 57,911,275.16/8,503.03
  6. Step 6: Final answer
    x = 6,810.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.